As far as I know h264 doesn't support alpha. But VP8 does. On Sep 12, 2017 2:06 PM, "Davood Falahati" <[email protected]> wrote:
> Dear community, > > I have a opevCV Mat frame, call it mask. I decode frames into AVFrame, > convert AVFrame to openCV Mat and encode them into AVPacket again. > > Now, I want to add an alpha channel to my resulting video. Can you help me > with that? > > - FYI, I tried to add alpha channel to openCV Mat and convert it to > AVFrame. But it fades whole the video and it mars the color distribution. > > Best > Davood Falahati > ______________________________________________________ > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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